these are the top stories we're following roeth now "cnn newsroom." a highly decorated navy s.e.a.l., considered one of the military's best snipers. chris kyle was shot and killed along with a friend at a gun range near ft. worth, texas. susan candiotti is joining us live from new york. how exactly the shooting unfold. >> what a tragedy. the sheriff tells me chris kyle and chad were at a shooting. they all apparently knew each other. kyle is well known for helps vets transition into civilian life, some of them suffering from posttraumatic stress. they appear to be alone at the range yesterday afternoon when this happened and the sheriff says they don't yet know what was behind the shooting, what prompted it they rorved, listen to this, 25 to 30 weapons, including handguns and longons and ak 47s. they're still trying to sort out which one was the murder weapon. now, after the shooting police say the suspect took off in former s.e.a.l. chris kyle's pickup truck. the bodies were not discovered for almost a couple of hours, 911 was called and investigator